. >> reporter: in sendai rows of homes flattened. remanence of lives strewn about. on the ground and on the air search and rescue teams from around the world look for survivors and find few miracles. washed away by the violence tsunami this woman held on to a free and a floor mat for hours until help arrived. >> the moment she opened the door of her house the water flooded in. >> reporter: survivors face a host of challenges. food and water sunnily -- and water supplies are low. several reactors have lost their cooling capabilities and hundreds of thousands of people in the area have been evacuated. still, officials remain hopeful they can contain the radiation threat. >> we believe there is low possibility that massive amount of radiation has been leaked. >> reporter: just in case you think things couldn't get worse they are getting work. today a stock market took a major hit down about 6% and as a result of that they injected about $183 billion into the economy. that is a record in japan. the hope for that is to insure foreign investigators. it's been a very diffi